The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 1991
Filed:
Mar. 17, 1989
Applicant:
Inventors:
Assignees:
Yoshitomi Pharmaceutical Industries, Ltd., Osaka, JP;
Mitsubishi Petrochemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558198 ;
Abstract
Phosphite compounds represented by the formula ##STR1## wherein R.sup.1 stands for a tertiary hydrocarbyl group, R.sup.2 stands for an alkyl group, an aralkyl group which may be substituted, an aryl group or a cycloalkyl group and n stands for 0, 1 or 2. Such compounds possess stabilizing action against organic materials, particularly antioxidant action, and are useful as antioxidants for preventing deterioration by oxidation of organic materials.
Hanayama, Naoki. (1991). Phosphite compounds (U.S. Patent No. 5077424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5077424
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile